資源描述:
《調(diào)頻頻對講機(jī)的設(shè)計(jì)》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、目錄第一章緒論...............................................................31.1調(diào)頻收音機(jī)概述...................................................31.2對講機(jī)概述.......................................................4第二章系統(tǒng)設(shè)計(jì)總體要求.....................................52.1課題設(shè)計(jì)目的.............
2、......................................52.2課程設(shè)計(jì)題目及設(shè)計(jì)要求..........................................52.3課程設(shè)計(jì)具體內(nèi)容及要求..........................................5第三章總體方案...........................................................73.1收音機(jī)接受方案......................................
3、.............73.2對講機(jī)發(fā)射方案...................................................7第四章原理框圖............................................................94.1課題設(shè)計(jì)目的...................................................94.2對講機(jī)印刷版電路................................................9第五章
4、系統(tǒng)模塊詳細(xì)設(shè)計(jì)與調(diào)試...........................................105.1HX1800工作原理.............................................105.1.1裝配說明........................................................115.1.2電路原理.........................................................115.1.3芯片概述........
5、.................................................115.2HX1800安裝過程............................................125.2.1焊接與安裝.......................................................125.1.2安裝提示.........................................................135.1.3芯片概述..............
6、...........................................13第五章設(shè)計(jì)總結(jié)...........................................................15第六章參考文獻(xiàn)...........................................................16第七章系統(tǒng)軟件方案......................................................167.1I2C接口鍵盤及LED驅(qū)動器原理圖..
7、.........................................167.2程序清單及說明..........................................................177.2.1程序清單..............................................................177.2.2實(shí)驗(yàn)運(yùn)行結(jié)果.........................................................21第一章緒論§1.1調(diào)頻收
8、音機(jī)概述調(diào)頻收音機(jī)主要用來接收調(diào)頻制廣播節(jié)目。其解調(diào)過程是用鑒頻器對己調(diào)頻高頻信號進(jìn)行解調(diào),由輸入回路、高放回路、本振回路、混頻回路、中放回路、鑒頻回路和和音頻功率放大器組成。調(diào)頻信號在傳輸過程中,由于各種干擾,使振幅產(chǎn)生起伏,為了消除干擾的影響,